PDS_VERSION_ID        = PDS3                                                  
RECORD_TYPE           = STREAM                                                
OBJECT                = TEXT                                                  
  INTERCHANGE_FORMAT    = ASCII                                               
  PUBLICATION_DATE      = 2013-12-07                                          
  NOTE                  = "Description of the contents of the extras dir."    
END_OBJECT            = TEXT                                                  
END                                                                           
                                                                              
###      /DOCUMENT/ directory of this archive                                 
########################################################################      
                                                                              
                                                                              
[extras]  Directory containing files beyond the scope of the  PDS archive     
  |       requirements.                                                       
  |                                                                           
  +-- SDC_CAL_MATRIX_BASE.DAT  Original FIT file used in SDC calibration      
  |                            Refer to the SOC Instrument Interface Control  
  |                            Document (ICD) for details and use.            
  |                            N.B. the correct extension for this file is    
  |                            .DAT to avoid conflicting with a file written  
  |                            by the Python script ending in .FIT            
  |                                                                           
  +-- SDCFIT_PDSASCII.PY       Python-language script to convert SDC          
                               calibration data between FITS and ASCII formats
                               - This file has linefeed-only line termination 
                                 so some viewers may not display it correctly.
